Dell Laptop N5040 user manual

User manual for the device Dell Laptop N5040

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Summary of the content on the page No. 7

Contents 7

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8 Contents

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1 Before You Begin This manual provides procedures for removing and installing components in your computer. Before you begin any procedure in this book, ensure that: • You have performed the steps in "Turning Off Your Computer" on page 10 and "Before Working Inside Your Computer" on page 10. • You have read the safety information that shipped with your computer. • A component can be replaced or—if purchased separately—installed by performing the removal procedure in the reverse order. Recomme

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Turning Off Your Computer CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer. 1 Save and close all open files and exit all open programs. 2 Shut down your computer. •Windows 8 Move your mouse pointer to the upper-right or lower-right corner of the screen to open the Charms sidebar, and then click Settings→ Power→ Shut down. •Windows 7 Click Start and then click Shut Down. The computer turns off after the operating system

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CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have connectors with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to a

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12 Before You Begin

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2 Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wri

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3 Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wr

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1 2 3 1 plastic scribe 2 tabs (4) 3 keyboard CAUTION: The keycaps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Be careful when removing and handling the keyboard. 5 Carefully turn the keyboard over and place it on the palm rest assembly. 6 Lift the connector latch that secures the keyboard cable to the connector on the system board and remove the keyboard cable. 7 Lift the keyboard off the computer. 16 Keyboard

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1 2 1 keyboard cable 2 keyboard Replacing the Keyboard 1 Follow the instructions in "Before You Begin" on page 9. 2 Slide the keyboard cable into the connector on the system board. Press down on the connector latch to secure the keyboard cable to the connector on the system board. 3 Slide the tabs on the keyboard into the slots on the palm rest. 4 Gently press around the edges of the keyboard to lock the four tabs securing the keyboard. 5 Close the display and turn the computer over. 6 Replac

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18 Keyboard

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4 Memory Module(s) WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by us

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1 3 2 1 memory-module connector 2 securing clips (2) 3 memory module Replacing the Memory Module(s) CAUTION: If you need to install memory modules in two connectors, install a memory module in the connector labeled “DIMM A” before you install a memory module in the connector labeled “DIMM B.” 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the notch in the memory module with the tab in the memory-module connector. 3 Slide the memory module firmly into the slot at a 45-degr